Curiosi Q-puzzle (difficult pieces) - Amsterdam Value Set (4 pcs)

This is a value set with 4 puzzles:

• Amsterdam 1 (80 pcs.)
• Amsterdam 2 (80 pcs.)
• Amsterdam 3 (80 pcs.)
• Amsterdam 4 (80 pcs.)

Especially difficult small puzzles with 80 pieces. The pieces have unusual shapes, making it a very challenging puzzle. 

Details:

* 80 pieces per puzzle
* Puzzle size: 12.5 x 12.5 cm
* Puzzle box dimensions: 9 x 9 x 1.8 cm